Using Cc1ccc(OCC2Cc3ccccc3N(C(=O)OCc3ccccc3)C2)c(NC(=O)OC(C)(C)C)c1 to produce Cc1ccc(OCC2Cc3ccccc3N(C(=O)OCc3ccccc3)C2)c(N)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.