Using c1cc(C2CO2)ccn1, c1cnc2[nH]c3c(c2c1)CN1CCCC1C3 to produce OC(Cn1c2c(c3cccnc31)CN1CCCC1C2)c1ccncc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.