Using O=c1[nH]ccc2cc(O)ccc12, OCCCN(CCc1cccnc1)Cc1ccncc1 to produce O=c1[nH]ccc2cc(OCCCN(CCc3cccnc3)Cc3ccncc3)ccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.