Using CCCCI, CCOC(=O)C(C)(O)Cc1ccc(OCCC2CN(Cc3ccc(OC)cc3)C(=O)N2C)cc1 to produce CCCCOC(C)(Cc1ccc(OCCC2CN(Cc3ccc(OC)cc3)C(=O)N2C)cc1)C(=O)OCC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.