Using O=S(=O)(O)O, O=C(Nc1c(Cl)ncnc1Nc1ccccc1)c1ccccc1 to produce O=c1[nH]cnc2c1nc(-c1ccccc1)n2-c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.