Using OC(c1cncc(N=C(c2ccccc2)c2ccccc2)c1)c1c[nH]c2ncncc12 to produce O=C(c1cncc(N=C(c2ccccc2)c2ccccc2)c1)c1c[nH]c2ncncc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.