Using O=C(Nc1cccnc1)c1nn(C2CCCCO2)c2ccc(-c3cccnc3)cc12 to produce O=C(Nc1cccnc1)c1n[nH]c2ccc(-c3cccnc3)cc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.