Using O=C1NC(=O)c2ccccc21, CC(C)(C)OC(=O)NC12CC3CC1CC(CO)(C3)C2 to produce CC(C)(C)OC(=O)NC12CC3CC1CC(CN1C(=O)c4ccccc4C1=O)(C3)C2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.