Using O=C([O-])O, COc1cc2nc(-c3ccccc3)n(-c3ccc(C)cc3)c2cc1OCCCCCC(=O)O to produce COC(=O)CCCCCOc1cc2c(cc1OC)NC(c1ccccc1)N2c1ccc(C)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.