Using CCOC(=O)CN1CCC(C(=O)c2ccc(OC)c(Cl)c2)CC1 to produce COc1ccc(C(=O)C2CCN(CC(=O)O)CC2)cc1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.