Using O=C(O)Cc1c(Cl)cncc1Cl, CCC(CN)c1cccc(OC)c1 to produce CCC(CNC(=O)Cc1c(Cl)cncc1Cl)c1cccc(OC)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.