Using C=Cc1c(-c2ccccc2)nn(CC)c(=O)c1Nc1cccc(Cl)c1 to produce CCc1c(-c2ccccc2)nn(CC)c(=O)c1Nc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.