Using COc1ccc(C2=NOC(CCCC=O)C2)cc1OC, COc1ccccc1N1CCNCC1 to produce COc1ccc(C2=NOC(CCCCN3CCN(c4ccccc4OC)CC3)C2)cc1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.