Using COC(=O)c1cc(Cl)c(OCCN2CCN(C)CC2)c(OC)c1 to produce COc1cc(C(=O)O)cc(Cl)c1OCCN1CCN(C)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.