Using COc1cccc(C(C#N)(CC(C)N(C)C(=O)OCC(Cl)(Cl)Cl)c2ccccc2)c1 to produce COc1cccc(C2(c3ccccc3)CC(C)N(C)C2=N)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.