Using CN1CC(C)(C)Oc2c(C(=O)O)cccc21, NC1CN2CCC1CC2 to produce CN1CC(C)(C)Oc2c(C(=O)NC3CN4CCC3CC4)cccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.