Using O, CC(C)CN1C(=O)c2ccc(OC(C)C)cc2C1O to produce CCOC(=O)CC1c2ccc(OC(C)C)cc2C(=O)N1CC(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.