Using COC(=O)COc1ccc(C(=O)NC[C@H](NC(=O)OCc2ccccc2)C(=O)OC(C)(C)C)cc1, NC1=NCCCN1 to produce CC(C)(C)OC(=O)[C@H](CNC(=O)c1ccc(OCC(=O)NC2=NCCCN2)cc1)NC(=O)OCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.