Using O=C(CCCCCCc1ccccc1)c1nnc(-c2ccccn2)[nH]1, ClCCl to produce Cn1c(C(=O)CCCCCCc2ccccc2)nnc1-c1ccccn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.