Using NC(c1ccccc1)c1cc2ccncc2[nH]1, O=C(O)c1cccnc1 to produce O=C(NC(c1ccccc1)c1cc2ccncc2[nH]1)c1cccnc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.