Using S=C=Nc1ccccc1, COc1ccc(-c2c[nH]c3ncccc23)cc1OC to produce COc1ccc(-c2cn(C(=S)Nc3ccccc3)c3ncccc23)cc1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.