Using CI, CCOC(=O)c1cn(Cc2ccc(-c3ccccc3)cc2)c2c(c1=O)C(O)CCC2 to produce CCOC(=O)c1cn(Cc2ccc(-c3ccccc3)cc2)c2c(c1=O)C(OC)CCC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.