Using NCc1c(Cl)cccc1Cl, CCCCOc1c(NC(C)(C)CC)c(=O)c1=O to produce CCC(C)(C)Nc1c(NCc2c(Cl)cccc2Cl)c(=O)c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.