Using O=c1c2c(n(-c3cccc(Cl)c3)c3ncccc13)CCNC2 to produce O=c1c2cnccc2n(-c2cccc(Cl)c2)c2ncccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.