Using CCC=O, CCOC(=O)c1ccc(Nc2cc3c(cc2C)C(C)(C)CCN3C(C)C)cc1 to produce CCCN(c1ccc(C(=O)OCC)cc1)c1cc2c(cc1C)C(C)(C)CCN2C(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.