Using C=C(C)n1c(=O)n(CC(C)CN2CCC(n3c(=O)[nH]c4cc(Cl)ccc43)CC2)c2ccccc21 to produce CC(CN1CCC(n2c(=O)[nH]c3cc(Cl)ccc32)CC1)Cn1c(=O)[nH]c2ccccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.