Using CC(C)(C)OC(=O)NCC(O)CNC(=O)[C@H](CCCNC(=O)OCc1ccccc1)NC(=O)OCc1ccccc1 to produce NCC(O)CNC(=O)[C@H](CCCN(Cc1ccccc1)C(=O)O)NC(=O)OCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.