Using CCc1ccc(-c2cn(CCCN3C(=O)c4ccccc4C3=O)cc2NC(=O)OC(C)(C)C)cc1 to produce CCc1ccc(-c2cn(CCCN)cc2NC(=O)OC(C)(C)C)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.