Using CCOC(=O)C1(COc2ccc(-c3ccc(C#N)cc3)cc2)CCN(C(=O)c2ccc(OC)cc2)C1 to produce COc1ccc(C(=O)N2CCC(COc3ccc(-c4ccc(C#N)cc4)cc3)(C(=O)O)C2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.