Using CC(C)OC(=O)N1CCC(ON=C2CCNCC2)CC1, COC(=O)c1nc(Cl)c(Cl)nc1Cl to produce COC(=O)c1nc(Cl)c(N2CCC(=NOC3CCN(C(=O)OC(C)C)CC3)CC2)nc1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.