Using Clc1cc(Cl)ncn1, CCOC(=O)c1cnc(N2CCN[C@H](C)C2)c(Cl)c1 to produce CCOC(=O)c1cnc(N2CCN(c3cc(Cl)ncn3)[C@H](C)C2)c(Cl)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.