Using O=C(n1ccnc1)n1ccnc1, CCC(C(c1ccc2nc(N)sc2c1)n1ccnc1)N(C)C to produce CCC(C(c1ccc2nc(NC(N)=O)sc2c1)n1ccnc1)N(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.