Using Nc1nnc2c3c(c(N4CCOCC4)nn12)CCCC3, CCC(=O)Cl to produce CCC(=O)Nc1nnc2c3c(c(N4CCOCC4)nn12)CCCC3, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.