Using CCN(Cc1cn(S(=O)(=O)N(C)C)cn1)c1ccnc(Oc2ccccc2)n1 to produce CCN(Cc1c[nH]cn1)c1ccnc(Oc2ccccc2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.