Using O=C(O)Cc1ccc(Cl)c(Cl)c1, Oc1ccc2c(c1)C(CN1CCCC1)NCC2 to produce O=C(Cc1ccc(Cl)c(Cl)c1)C1(CN2CCCC2)NCCc2ccc(O)cc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.