Using O=C(N1CCOc2ccc(Cc3cc(Br)ccc3Cl)cc21)C(F)(F)F to produce Clc1ccc(Br)cc1Cc1ccc2c(c1)NCCO2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.