Using CC(C)(C)OC(=O)N1CCc2c(n(CCC(=O)O)c3ccccc23)CC1, COc1ccc(N)cc1 to produce COc1ccc(NC(=O)CCn2c3c(c4ccccc42)CCN(C(=O)OC(C)(C)C)CC3)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.