Using CCOC(=O)C1Cc2ccccc2N(C2CCN(C(=O)c3ccc(OCC)cc3OC)CC2)C1=O to produce CCOc1ccc(C(=O)N2CCC(N3C(=O)C(C(=O)O)Cc4ccccc43)CC2)c(OC)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.