Using N#CCCCn1c(CO)cc2cc(OCc3c(Cl)cccc3Cl)ccc21 to produce N#CCCCn1c(C=O)cc2cc(OCc3c(Cl)cccc3Cl)ccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.