Using COc1cc(CCCCCCCCc2ccc(NC(C)=O)cc2)c2ccccc2c1OC to produce COc1cc(CCCCCCCCc2ccc(N)cc2)c2ccccc2c1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.