Using CCOC(=O)c1ccc(OC)c(OC)c1, O=C1CCc2cc(C(=O)N3CCNCC3)ccc2N1 to produce COc1ccc(C(=O)N2CCN(C(=O)c3ccc4c(c3)CCC(=O)N4)CC2)cc1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.