Using O=C(Cl)c1cccnc1Cl, CC(C)(C)OC(=O)N1Cc2cc(N)ccc2C(C)(C)C1 to produce CC(C)(C)OC(=O)N1Cc2cc(NC(=O)c3cccnc3Cl)ccc2C(C)(C)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.