Using CCCCCCc1ccc(-c2cnc(-c3ccc(OC(C)=O)cc3)s2)cc1 to produce CCCCCCc1ccc(-c2cnc(-c3ccc(O)cc3)s2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.