Using O=C(O)c1cccc(Cl)c1Cl, c1ccc(-n2nnc3c2CCNC3)cc1 to produce O=C(c1cccc(Cl)c1Cl)N1CCc2c(nnn2-c2ccccc2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.