Using Cc1ccc(CC(CCNC(=O)OC(C)(C)C)C(=O)N2CCN(c3ncnc4ccccc34)CC2)cc1, ClCCl to produce Cc1ccc(CC(CCN)C(=O)N2CCN(c3ncnc4ccccc34)CC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.