Using CCCc1ccc(-c2ccc(C(=O)OCC)nc2-c2ccccc2)cc1 to produce CCCc1ccc(-c2ccc(C(=O)OC)nc2-c2ccccc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.