Using CN(C)C=O, CC(C)NC(=O)c1ccc2c(c1)CCN(C(=O)OC(C)(C)C)CC2 to produce CC(C)N1C(=O)c2cc3c(cc2C1O)CCN(C(=O)OC(C)(C)C)CC3, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.