Using COC(=O)CCc1nc(Cl)c2c3c(sc2n1)CCCC3, CNC1CC1 to produce COC(=O)CCc1nc(N(C)C2CC2)c2c3c(sc2n1)CCCC3, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.