Using O=C1CCCCC1, NCC1CCCc2c(Oc3ccc(C(N)=O)cn3)cccc21 to produce NC(=O)c1ccc(Oc2cccc3c2CCCC3CNC2CCCCC2)nc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.