Using ClCc1ccccc1, On1c(-c2ccccc2)nc2cc(Cn3ccnc3)ccc21 to produce c1ccc(COn2c(-c3ccccc3)nc3cc(Cn4ccnc4)ccc32)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.