Using COc1ccnc(CS(=O)c2nc3c(F)cccc3[nH]2)c1, CO to produce COc1ccnc(CS(=O)c2nc3c(F)cccc3n2CO)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.