Using CC(=O)c1ccc2c(c1)C(C)(C)CC(=O)N2C, OCCO to produce CN1C(=O)CC(C)(C)c2cc(C3(C)OCCO3)ccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.