Using COC(=O)c1ccc2[nH]cc(Cc3ccc(Cl)cc3Cl)c2c1, CI to produce COC(=O)c1ccc2c(c1)c(Cc1ccc(Cl)cc1Cl)cn2C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.