Using O=C(N1CCc2ccc(Cl)c(N3CCCC3c3ccccc3)c2CC1)C(F)(F)F to produce Clc1ccc2c(c1N1CCCC1c1ccccc1)CCNCC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.