Using CCCCCCCCn1c(C)c(CC(=O)NN)c2cc(OC)ccc21 to produce CCCCCCCCn1c(C)c(CC(N)=O)c2cc(OC)ccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.