Using O=C(O)c1nc2c(N3CCOCC3)nc(Cl)nc2s1, C1CN(C2CNC2)CCO1 to produce O=C(c1nc2c(N3CCOCC3)nc(Cl)nc2s1)N1CC(N2CCOCC2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.