Using CCOC(=O)COc1ccc(NC(=O)c2ccc(N3CCN(C(=O)OC(C)(C)C)CC3)cc2)c(C)c1 to produce Cc1cc(OCC(=O)O)ccc1NC(=O)c1ccc(N2CCN(C(=O)OC(C)(C)C)CC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.