Using CCCCOC(C)(Cc1ccc(OCCC2CN(Cc3ccccc3)C(=O)N2C)cc1)C(=O)OCC to produce CCCCOC(C)(Cc1ccc(OCCC2CN(Cc3ccccc3)C(=O)N2C)cc1)C(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.