Using c1ccc(CN2CCNCC2)cc1, COc1ccc(-c2cc(CCC=O)on2)c(OC)c1 to produce COc1ccc(-c2cc(CCCN3CCN(Cc4ccccc4)CC3)on2)c(OC)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.