Using O=C1CC=C2c3c1c1cnccc1n3C1=C(CCCC1)CN2Cl to produce ClN1CC2=C(CCCC2)n2c3c(c4cnccc42)CCC=C31, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.