Using O=C(Cl)c1c(Cl)cccc1Cl, COc1ccc2c(c1)C(C#N)=C2 to produce N#CC1=Cc2cc(C(=O)c3c(Cl)cccc3Cl)c(O)cc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.