Using COc1cc(CN2CCNCC2)cc(OC)c1OC, COc1cc2ccc(C(=O)O)cc2cc1OC to produce COc1cc2ccc(C(=O)N3CCN(Cc4cc(OC)c(OC)c(OC)c4)CC3)cc2cc1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.