Using Oc1cccnc1, OCCCn1cc(-c2cc3nccnc3[nH]2)c2ccccc21 to produce c1cncc(OCCCn2cc(-c3cc4nccnc4[nH]3)c3ccccc32)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.