Using NNc1cc2c(cc1F)OCC(=O)N2Cc1ccccn1, CCOC(=O)C1CCCCC1=O to produce O=C1COc2cc(F)c(N3N=C4CCCCC4C3=O)cc2N1Cc1ccccn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.