Using CCOC(=O)CCCn1ccc2c(NC[C@H](NC(=O)OCc3ccccc3)C(=O)OC(C)(C)C)nc(C)nc21 to produce CCOC(=O)CCCn1ccc2c(NC[C@H](N)C(=O)OC(C)(C)C)nc(C)nc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.