Using CC(C)(C)OC(=O)NCCOc1noc2ccccc12, O=C=O to produce CC(C)(C)OC(=O)NCCOc1noc2c(C(=O)O)cccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.