Using NCC(=O)O, CC(C)(C)OC(=O)N[C@H](CCCNC(=N)N(C(=O)OCc1ccccc1)C(=O)OCc1ccccc1)C(=O)ON1C(=O)CCC1=O to produce CC(C)(C)OC(=O)N[C@H](CCCNC(=N)N(C(=O)OCc1ccccc1)C(=O)OCc1ccccc1)C(=O)NCC(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.