Using Clc1ncc(Br)c(NC23CC(C2)C3)n1, CCCC[Sn](/C=C\OCC)(CCCC)CCCC to produce CCO/C=C\c1cnc(Cl)nc1NC12CC(C1)C2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.