Using CC(C)(C)OC(=O)N1CCc2cc(NC(=O)C(=O)N3CCC(Cc4ccccc4)CC3)ccc21 to produce O=C(Nc1ccc2c(c1)CCN2)C(=O)N1CCC(Cc2ccccc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.