Using COC(=O)CC1Nc2ccc(C(=O)NCc3cccnc3)cc2CN(C)C1=O to produce CN1Cc2cc(C(=O)NCc3cccnc3)ccc2NC(CC(=O)O)C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.